KR20080000165A - Liquid crystal display module assembling structure - Google Patents

Abstract

An LCD module coupling structure is provided to reduce an operation time and the number of components by providing a coupling unit form coupling an LCD with an external case. An LCD includes a lower chassis(700) sequentially receiving a backlight unit and an LCD panel(500), and an upper chassis(600) coupled with the lower chassis and including a coupling groove(610) in at least one side of an upper portion. An external case(800) is coupled at a lower portion of the LCD and includes a receiving groove(810) in a bottom portion. At least one coupling unit(900) couples the LCD with an external case. The one side of the coupling unit is coupled with the coupling groove, and the other side of the coupling unit is coupled to the receiving groove. The coupling unit includes a base(910), a first sidewall(920) and a second sidewall(930) bent upwardly and perpendicularly at both sides of the base and having different lengths, and a first plane portion(940) and a second plane portion(950) bent at the first sidewall and the second sidewall to face each other. A protrusion portion(960) is formed at a lower portion of the first plane portion.

Description

Liquid crystal display module coupling structure {LIQUID CRYSTAL DISPLAY MODULE ASSEMBLING STRUCTURE}

1 is an exploded perspective view illustrating a liquid crystal display module according to a first embodiment of the present invention.

2 is a side view illustrating a coupling of a liquid crystal display module according to a first exemplary embodiment of the present invention.

3 is a side view illustrating a coupling of a liquid crystal display module according to a second exemplary embodiment of the present invention.

4 is a side view illustrating a modification of FIG. 3.

              <Description of the code | symbol about the principal part of drawings>

100: light guide plate 200: reflector

300: diffusion sheet 400: prism sheet

500: liquid crystal display panel 600: upper chassis

610: coupling groove 700: lower chassis

800: outer case 810: seating groove

900: coupling means 910: base

920: first sidewall portion 930: second sidewall portion

940: first plane portion 950: second plane portion

960: protrusion 970, 980: coupling portion

The present invention relates to a liquid crystal display module coupling structure, and more particularly, to a liquid crystal display module coupling structure for coupling a liquid crystal display device and an outer case.

In general, a flat panel display is an essential display device for realizing not only a monitor of a desktop computer but also a small and lightweight system such as a portable computer such as a notebook computer or a PDA or a mobile phone terminal. Liquid crystal displays (PDPs), plasma display panels (PDPs), field emission displays (FEDs), and the like, in particular, liquid crystal displays have better visibility and average than cathode ray tubes (CRTs); Since power consumption is not only small compared to the CRT of the same image, but also generates a small amount of heat, it has recently been in the spotlight as a next-generation display device such as a monitor of a mobile phone, a computer, or a television.

On the other hand, the liquid crystal display module is composed of a liquid crystal display device consisting of a backlight unit and a liquid crystal display panel, and an outer case coupled to the liquid crystal display device. At this time, the product is being developed in the direction of designing as simple as possible by using a screw (Screw) or hook (Hook) for coupling the liquid crystal display module.

However, the coupling method as described above is a reality that the number of screws or hooks are used to increase the cost of parts, and also the difficulty of the operation during the coupling operation is not applied to the actual design concept.

Accordingly, an object of the present invention is to solve the above problems, and to provide a liquid crystal display module coupling structure in order to reduce the ease of operation and cost in the fastening of the liquid crystal display and the external case.

In order to achieve the above object, a liquid crystal display module coupling structure according to the present invention includes a backlight unit, a lower chassis in which a liquid crystal display panel is sequentially mounted, and an upper coupling coupled to the lower chassis and having coupling grooves formed on at least one side thereof. A liquid crystal display including a chassis, an outer case coupled to a lower portion of the liquid crystal display, and having a seating groove formed at a bottom thereof, and at least one coupling means for coupling the liquid crystal display and the outer case; One side of the coupling means is coupled to the coupling groove, the other side of the coupling means is characterized in that coupled to the seating groove.

The coupling means includes a base, a first sidewall portion and a second sidewall portion which are bent vertically upwards on both sides of the base and have different lengths, and in a direction facing each other at the first sidewall portion and the second sidewall portion. And a first flat portion and a second flat portion that are bent, and a protrusion is formed at a lower portion of the first flat portion.

The coupling means is disposed on one side and the other side of the liquid crystal display and the outer case.

Further comprising a coupling unit for coupling the liquid crystal display and the outer case, one side of the liquid crystal display and the outer case is coupled by the coupling means, the other side is coupled by the coupling portion.

The coupling part includes a sidewall bent vertically at the bottom of the lower chassis, a first coupling member including a flat part bent inwardly from the sidewall, a sidewall bent vertically at the top of the outer case, and an outward side of the sidewall. And a second engagement member comprising a bent planar portion.

The coupling portion includes a wedge portion formed on an upper portion of the outer case, and a coupling hole corresponding to the wedge portion is formed at a lower portion of the lower chassis.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings, focusing on a liquid crystal display among flat panel displays. However, the present invention is not limited to the embodiments disclosed below, but is embodied in various forms, and only the embodiments are intended to complete the disclosure of the present invention and to those skilled in the art. It is provided for complete information. Like numbers refer to like elements in the figures.

1 is an exploded perspective view illustrating a liquid crystal display module according to a first embodiment of the present invention, and FIG. 2 is a side view illustrating a combination of the liquid crystal display module according to the first embodiment of the present invention.

Referring to FIG. 1, the liquid crystal display module includes a liquid crystal display panel 500 including a thin film transistor substrate, a color filter substrate, and a liquid crystal layer, and a reflector 200 and a light guide plate disposed under the liquid crystal display panel 500. A backlight unit composed of a 100, a diffusion sheet 300, and a prism sheet 400, a lower chassis 700 supporting the backlight unit, and an upper chassis for protecting the liquid crystal display panel 500 from the outside. A liquid crystal display device 1000 including a liquid crystal display device 600, an outer case 800 coupled to the liquid crystal display device 1000, and coupling means for coupling the liquid crystal display device 1000 to the outer case 800 ( 900).

Although not shown in the drawings, a light source unit serving as a light source is positioned on one side of the light guide plate 100, and the light source unit is accommodated in the lower chassis 700. In this case, an electroluminescent lamp (EL), a light emitting diode (LED), a cold cathode fluorescent lamp (CFL), or the like may be used as the light source. It is effective to use

The light emitted from the light source is irradiated to the light guide plate 100, a part of the light irradiated to the light guide plate 100 is emitted toward the liquid crystal display panel 500, and the light emitted to the lower portion of the light guide plate 100 is reflected plate. It is reflected from the 200 and exits to the upper portion of the light guide plate 100.

As such, the light emitted to the upper portion of the light guide plate 100 passes through the diffusion sheet 300 and the prism sheet 400, and the light passing through the backlight unit as described above is a liquid crystal including a thin film transistor substrate and a color filter substrate. An image is displayed by passing through the display panel 500.

The upper chassis 600 is manufactured in the form of a square frame having a flat portion 620 having an upper portion thereof open, and a side wall portion 630 bent to the lower portion of the flat portion 620. A plurality of coupling grooves 610 are formed at one side and the other side facing each other. The lower chassis 700 also includes a bottom surface and sidewalls extending vertically from each edge from the bottom surface.

The lower chassis 700 receives the backlight unit and the liquid crystal display panel in sequence, and the upper chassis 600 is combined with the lower chassis 700 to protect the liquid crystal display panel 500 from external impact.

In this case, the upper chassis 600 and the lower chassis 700 may be coupled by a coupling member such as a screw, a screw, an adhesive, or the like, and may be coupled in a hook type. Of course, the coupling method of the upper chassis 600 and the lower chassis 700 is not limited thereto, and it is natural that the coupling method may be performed in various other ways.

The outer case 800 is provided below the liquid crystal display 1000 coupled as described above. The outer case 800 is a rectangular plate shape, the shape is not limited. In this case, seating grooves 810 are formed at one side and the other side of the outer case 800, respectively.

In addition, a plurality of coupling means 900 for coupling the liquid crystal display device 1000 and the outer case 800 are provided.

The coupling means 900 may include a base 910, a first sidewall portion 920 and a second sidewall portion 930 that are bent upwards on one side and the other side of the base 910, and the first sidewall portion 920. ) And a first planar portion 940 and a second planar portion 950 that are bent inwardly of the second sidewall portion 930. In this case, the first sidewall portion 920 is formed longer than the second sidewall portion 930, and a plurality of protrusions 960 are formed under the first flat portion 940.

As illustrated in FIG. 2, an outer case 800 and one side of the liquid crystal display 1000 are sequentially received in the first sidewall part 920 and the first flat part 940, and the first flat part 940 is provided. The lower protrusion 960 is coupled to the coupling groove 610 formed in the upper chassis 600, and the second side wall portion 930 and the second flat portion 950 are attached to the outer case 800. Coupling with the formed mounting groove 810.

The coupling means 900 is provided on one side and the other side of the liquid crystal display module, whereby the liquid crystal display 1000 and the outer case 800 are fixedly coupled.

That is, the coupling means 900 inserts and fixes the second side wall portion 930 and the second flat portion 950 to the mounting groove 810 formed in the outer case 800, and then, the first flat portion 940. The projection 960 formed in the) is inserted into the coupling groove 610 formed in the upper chassis 600 to complete the coupling.

In this case, the coupling means 900 preferably has a tension in order to facilitate coupling of the modules of the liquid crystal display. That is, after the second side wall portion 930 and the second flat portion 950 formed on the coupling means 900 are coupled with the outer case 800, the second side wall portion 930 and the second flat portion 950 are coupled to the upper chassis 600 in a slightly stretched state by tension. The liquid crystal display module can be easily combined.

Although the coupling means 900 is illustrated as being provided on one side and the other side of the liquid crystal display module facing each other, it may be provided on all four sides to combine the liquid crystal display module.

In addition, although the coupling means 900 is shown as being provided independently, it is a matter of course that one side of the coupling means 900 may be formed integrally with the outer case 800.

In addition, although the coupling groove 610 corresponding to the protrusion 960 is formed in the upper chassis 800 to couple the coupling means 900 and the upper chassis 800, the coupling hole may be formed, of course. to be.

3 is a side view illustrating a coupling of a liquid crystal display module according to a second exemplary embodiment of the present invention, and FIG. 4 is a side view illustrating a modification of FIG. 3.

Referring to the drawings, the coupling means 900 according to the first embodiment of the present invention is coupled to one side of the liquid crystal display device module, the other side for fastening the liquid crystal display device 1000 and the outer case 800 The engaging portion is arranged.

The coupling part includes a first coupling member 970 formed under the liquid crystal display 1000, that is, a lower chassis 700, and a second coupling member 980 formed on the outer case 800.

The first coupling member 970 includes a sidewall bent vertically from the bottom of the liquid crystal display 1000 and a planar portion bent inwardly from the sidewall, and the second coupling member 980 is the outer case 800. And a sidewall bent vertically at the top of and a planar portion bent outward of the sidewall.

That is, the first coupling member 970 and the second coupling member 980 are formed to be fitted to face each other, so that the outer case 800 having the second coupling member 980 is formed on the left side of the drawing. By sliding to the right, the first coupling member 970 may be coupled to the other side of the liquid crystal display module.

In this case, when the first coupling member 970 and the second coupling member 980 are coupled, the fixing member is further added to the planar portions of the first coupling member 970 and the second coupling member 980 to be fixed after the coupling. You can arrange.

Therefore, when the liquid crystal display module is coupled, the other side slides the outer case 800 from the left side to the right side in the slide form on the drawing of the liquid crystal display device 1000, and then fixes the external case 800 in one side according to the first embodiment. Coupled using means 900.

In addition, instead of the coupling parts 970 and 980 according to the second embodiment, as shown in FIG. 4, a wedge 990 is provided on an upper portion of the outer case 800, and the wedge 990 is coupled thereto. A hole in which the wedge 990 may be inserted may be further provided on the rear surface of the liquid crystal display 1000, that is, the lower chassis 700, and may be combined.

The module of the liquid crystal display according to the present invention coupled as described above is combined with a rear cover and a front cover of a monitor of a computer, a monitor of a notebook computer, a PDA, and the like, thereby completing.

Although the liquid crystal display device in which the edge type backlight is mounted is illustrated in the above description, the liquid crystal display device may be applied to the liquid crystal display device in which the direct type backlight is mounted.

Although described above with reference to the drawings and embodiments, those skilled in the art that the present invention can be variously modified and changed without departing from the spirit of the invention described in the claims below. I can understand.

As described above, a coupling means for coupling the liquid crystal display device and the outer case of the present invention was provided. Therefore, when combined with the coupling means there is an effect that can reduce the work time and reduce the parts.

In addition, the configuration as described above is easy to combine has the effect of improving the workability of the worker, there is an effect that can increase the work yield.

Claims (6)

A liquid crystal display including a backlight unit, a lower chassis to which a liquid crystal display panel is sequentially mounted, an upper chassis coupled to the lower chassis and having coupling grooves formed on at least one side of the upper chassis; An outer case coupled to a lower portion of the liquid crystal display and having a recess formed in a bottom portion thereof; At least one coupling means for coupling the liquid crystal display and the outer case; And one side of the coupling means is coupled to the coupling groove, and the other side of the coupling means is coupled to the seating groove. The method of claim 1, wherein the coupling means is a base, the first side wall portion and the second side wall portion bent vertically upwards on both sides of the base and having a different length from each other, the first side wall portion and the second side wall portion And a first planar portion and a second planar portion bent in a direction facing each other, wherein a protrusion is formed below the first planar portion. The structure of claim 1, wherein the coupling means is disposed on one side and the other side of the liquid crystal display and the outer case. The method of claim 1, further comprising a coupling unit for coupling the liquid crystal display and the outer case, one side of the liquid crystal display and the outer case is coupled by the coupling means, the other side is coupled by the coupling portion A liquid crystal display module coupling structure. The method according to claim 4, wherein the coupling portion is a first coupling member including a side wall vertically bent at the bottom of the lower chassis, a planar portion bent inwardly from the side wall, a side wall vertically bent at the top of the outer case, And a second coupling member including a planar portion bent to the outside of the side wall. The liquid crystal display module coupling structure as claimed in claim 4, wherein the coupling part comprises a wedge part formed on an upper portion of the outer case, and a coupling hole corresponding to the wedge part is formed under the lower chassis.

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